BGS mineralogy and petrology collection record
| Sample number | E7640; COLLNOA80; |
|---|---|
| Sample Donor | Reynolds, Professor |
| Rock name | Rhyolite. 'Original entry: Rhyolite' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Near source of Nant y Cennant, Dolgelly |
| 50k map sheet | Barmouth (149) |
| Map reference | |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |
Petrological thin sections
Links to high resolution images
Transition from XPL to PPL light
E7640
